Push multi-arch images to Gitea registry

.gitea/workflows/ci.yml

@@ -9,8 +9,9 @@ on:
   pull_request:
 
 env:
-  REGISTRY: git.danhenry.dev
-  IMAGE_NAME: thelab/shopping-list-api
+  REGISTRY: git.danhenry.dev:5050
+  IMAGE_NAME: TheLab/shopping-list-api
+  CACHE_REF: git.danhenry.dev:5050/TheLab/shopping-list-api:latest
 
 jobs:
   test:
@@ -41,17 +42,24 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
       - name: Log in to Gitea container registry
-        run: echo "${{ secrets.REGISTRY_PASSWORD }}" | docker login ${{ env.REGISTRY }} -u "${{ secrets.REGISTRY_USERNAME }}" --password-stdin
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ secrets.REGISTRY_USERNAME }}
+          password: ${{ secrets.REGISTRY_PASSWORD }}
 
-      - name: Build Docker image
-        run: |
-          docker build \
-            -t ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ gitea.sha }} \
-            -t ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ gitea.ref_name }} \
-            .
-
-      - name: Push Docker image
-        run: |
-          docker push ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ gitea.sha }}
-          docker push ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ gitea.ref_name }}
+      - name: Build and push multi-arch image
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          push: true
+          platforms: linux/amd64,linux/arm64
+          tags: |
+            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ gitea.sha }}
+            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest
+          cache-from: type=registry,ref=${{ env.CACHE_REF }}
+          cache-to: type=registry,ref=${{ env.CACHE_REF }},mode=max